Often you will find that a system upgrade (and sometimes update) is simply the straw that breaks the Carmel's back. In other words SuperDrives and Hard Drives are on the verge of failing and the upgrade pushes them over the edge. It has been seen and well documented in these forums. A 2008 machine for example may or may not have had a hard life re the SuperDrive and four years has simply seen it out. Luckily they are inexpensive and easy to replace.

I have an old iMac, where burning was unpossible in the last months (Snow Leo).

I have bought a new Mac (M Lion), burned a DVD with the superdrive – worked. THEN I have migrated my data from the iMac – and burning was again unpossible, with the new drive.

I have changed the User on the new Mac. With the other one (both are admins) burning works (via finder).

So I think it is a software problem. But I have no idea where to start. I have looked at apple-i from the disk: In the beginning of the burning much space is needed, I’ve had only 11 GB free. Maybe the disk is too full, when DVDs suddenly can’t be burn?

At that point, I would probably recommend the nuclear option: take your Library folder, rename it Library-X. Log out and back in. Move back Preferences files and Application Support files for apps that you use frequently, and leave the rest off to the side just in case you need them in the future. :-)

I completely agree with ppapple451. After running my mini on 10.6 for a year and a half without a problem I decided to upgrade to 10.8. I mean . . . with all the benefits Apple was talking about why wouldn't I? Well, they forgot to mention the problems. My Superdrive is fubared. There doesn't seem to be a concesus on how to fix what is obviously a software/firmware issue. I thought that my bluetooth issues on my iPhone with ios 6 was an isolated case of Apple dropping the ball on support. Apparently not.

Just giving a little update here. I was contacted by Apple last month and they acknowledged there was a software issue with the ML upgrade that was causing the drives to stop working. Based on the evidence, that is indisputable, but it is nice they finally admitted to the obvious. They sent me a utility to run on my system that gathered data about the problem and I send them back a nice fat data file. They said they were working on a fix and it would show up in one of the next updates. Fingers crossed for a Oct 2013 fix

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